Great mysteries

A selection of mystifying examples of people's ghostly experiences.

Explores the question of who was the first European to set foot on American soil. Columbus? Vikings? Others?.

Explores the pros and cons of humans' living and working in outer space.

Explores Einstein's theory of relativity, its initial reception as well as current scientific acceptance of his ideas about time and space, and the mysterious workings of our universe.

Discusses the myth of the lost city of gold in northern South America, sought by Spanish explorers in the fifteenth century and by some modern treasure hunters.

Explores the mysteries surrounding the disappearances of planes and ships in the Bermuda Triangle.

Presents opposing views of experts on ancient and modern-day reports of mysterious flying objects, and includes eyewitness descriptions of aliens and their kidnapping of human beings.

A biography of the mysterious magician, focusing on his great escapes, wondrous illusions, crusade against spiritualism, and attempt to communicate with his wife after his death.

Explores the mystery surrounding the occurrence, location, and heroes of the Trojan War.

Explores the reports and evidence for the existence of mysterious large creatures allegedly living in certain lakes and rivers of the United States.